Asked by katrina
1.Describe the effects on the graphs
y = sin k0(0 is theta) and
y = cos k(0 is theta) as the value of k vaires.
y = sin k0(0 is theta) and
y = cos k(0 is theta) as the value of k vaires.
Answers
Answered by
Steve
normally the period of sinθ is 2pi.
When you have sin kθ, then kθ has a period of 2pi, so the sine has period 2pi/k. The effect is to contract the graph horizontally by a factor of k.
Same for cosine.
When you have sin kθ, then kθ has a period of 2pi, so the sine has period 2pi/k. The effect is to contract the graph horizontally by a factor of k.
Same for cosine.
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